Home / 806,169,085.36-1,209,445,530-260,910,619.36

Finding the Fourth Proportional to 806,169,085.36, 1,209,445,530 and 260,910,619.36

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Solution

The fourth proportional to 806,169,085.36, 1,209,445,530 and 260,910,619.36 is: 391,428,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,169,085.36 : 1,209,445,530 = 260,910,619.36 : x
  2. Step 2: Convert to fraction form
    806,169,085.36/1,209,445,530 = 260,910,619.36/x
  3. Step 3: Cross multiply
    806,169,085.36x = 1,209,445,530 × 260,910,619.36
  4. Step 4: Simplify right side
    806,169,085.36x = 315,557,182,314,483,456
  5. Step 5: Solve for x
    x = 315,557,182,314,483,456/806,169,085.36
  6. Step 6: Final answer
    x = 391,428,036.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.